CN113852469B - Method, device, equipment and readable storage medium for transmitting data between block chain nodes - Google Patents
Method, device, equipment and readable storage medium for transmitting data between block chain nodes Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 239000003999 initiator Substances 0.000 claims abstract description 25
- 238000004590 computer program Methods 0.000 claims description 8
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 8
- 230000005236 sound signal Effects 0.000 description 4
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- KLDZYURQCUYZBL-UHFFFAOYSA-N 2-[3-[(2-hydroxyphenyl)methylideneamino]propyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCN=CC1=CC=CC=C1O KLDZYURQCUYZBL-UHFFFAOYSA-N 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
- H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
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- Signal Processing (AREA)
- Computer Hardware Design (AREA)
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Abstract
The invention relates to the technical field of video content analysis, in particular to a method, a device, equipment and a readable storage medium for data transmission among block chain nodes, wherein the method is applied to any data providing node in a block chain network and comprises the following steps: acquiring functional data sent by a trusted data node; checking an initiator signature of the functional data, and encrypting the functional data if the initiator signature is a valid signature to obtain first encrypted data; the first encrypted data is sent to the data receiving node, and the first encrypted data which can be decrypted only by both data sending and receiving parties is transmitted on the existing transmission network channel, so that the privacy of the transmitted data is ensured, meanwhile, the signature of a data provider can be verified by the data sender, the authenticity of the data is further ensured, and meanwhile, the flexibility of the transmission network channel is further improved because the transmission network channel is formed by interconnecting any two homogeneous phases.
Description
Technical Field
The present invention relates to the field of video content analysis technologies, and in particular, to a method, an apparatus, a device, and a readable storage medium for data transmission between blockchain nodes.
Background
The block chain technology is built on a transmission network such as a point-to-point network, distributed nodes in the transmission network verify and store data by utilizing a chain data structure, and generate and update the data by adopting a distributed node consensus algorithm, so that a mechanism for preventing data tampering is realized;
in the prior art, each transaction node in the blockchain network can only perform on-chain transaction, namely, data can be executed after being uplink and achieving corresponding consensus, so that corresponding data transmission is completed.
Disclosure of Invention
The present invention aims to provide a method, a device, equipment and a readable storage medium for data transmission among blockchain nodes, so as to solve the above problems.
In order to achieve the above purpose, the embodiment of the present application provides the following technical solutions:
in one aspect, an embodiment of the present application provides a method for transmitting data between blockchain nodes, where the method is applied to any data providing node in a blockchain network, and the method includes: acquiring functional data sent by a trusted data node, wherein the functional data comprises an initiator signature and data receiver information;
checking an initiator signature of the functional data, and encrypting the functional data if the initiator signature is a valid signature to obtain first encrypted data;
and transmitting the first encrypted data to a data receiving node.
Optionally, after the obtaining the functional data sent by the trusted data node, the method further includes:
calculating a hash value corresponding to the functional data;
and uploading the hash value corresponding to the functional data to a block chain network.
Optionally, encrypting the functional data to obtain first encrypted data includes:
according to the information of the data receiver, a public key of the data receiver is called;
invoking a private key of the data providing node itself;
and encrypting the functional data through the public key and the private key to obtain the first encrypted data.
Optionally, the sending the first encrypted data to a data receiving node includes:
according to the information of the data receiver, calling the address of the data receiving node;
according to the address of the data receiving node, a corresponding safety channel is called;
and transmitting the first encrypted data to the data receiving node through a secure channel.
In a second aspect, an embodiment of the present application provides a method for transmitting data between blockchain nodes, where the method is applied to any data receiving node in a blockchain network, and the method includes:
receiving first encrypted data sent by the data providing node;
invoking a public key of the data providing node;
the private key of the data receiving node is called;
and decrypting the first encrypted data through the public key of the data providing node and the private key of the data receiving node to obtain the functional data.
In a third aspect, an embodiment of the present application provides an apparatus for transmitting data between blockchain nodes, where the apparatus is applied to any data providing node in a blockchain network, and the apparatus includes:
the data acquisition module is used for acquiring functional data sent by the trusted data node, wherein the functional data comprises an initiator signature and data receiver information;
the first computing module is used for checking an initiator signature of the functional data, and encrypting the functional data to obtain first encrypted data if the initiator signature is a valid signature;
and the first sending module is used for sending the first encrypted data to a data receiving node.
In a fourth aspect, an embodiment of the present application provides a data transmission device between blockchain nodes, where the device is applied to any data receiving node in a blockchain network, and the device includes:
the data receiving module is used for receiving the first encrypted data sent by the data providing node;
a first retrieving module, configured to retrieve a public key of the data providing node;
the second calling module is used for calling the private key of the data receiving node;
and the second calculation module is used for decrypting the first encrypted data through the public key of the data providing node and the private key of the data receiving node to obtain the functional data.
In a fourth aspect, embodiments of the present application provide an inter-blockchain node data transfer device that includes a memory and a processor. The memory is used for storing a computer program; the processor is used for implementing the steps of the data transmission method between the block chain nodes when executing the computer program.
In a fifth aspect, embodiments of the present application provide a readable storage medium having a computer program stored thereon, the computer program when executed by a processor implementing the steps of the method for data transmission between blockchain nodes described above.
The beneficial effects of the invention are as follows:
the invention ensures the privacy of the transmitted data by transmitting the first encrypted data which can be decrypted only by both the data transmitting and receiving party on the existing transmission network channel, and the data sender can verify the signature of the data provider, thereby ensuring the authenticity of the data, further effectively replacing the traditional method of ensuring the authenticity and the safety of the transmitted data through the special communication optical fiber, and simultaneously increasing the flexibility of the transmission network channel because the transmission network channel is any two homogeneous interconnection.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the embodiments of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for data transmission between blockchain nodes according to an embodiment of the present invention;
FIG. 2 is a schematic block chain inter-node data transmission apparatus for a data providing node according to an embodiment of the present invention;
fig. 3 is a schematic diagram b of a block chain inter-node data transmission apparatus applied to a data receiving node according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a data transmission device between blockchain nodes according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals or letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
Example 1
As shown in fig. 1, the present embodiment provides a data transmission method between blockchain nodes, which is applied to any data providing node in a blockchain network, and the method includes step S1, step S2 and step S3.
Step S1, obtaining functional data sent by a trusted data node, wherein the functional data comprises an initiator signature and data receiver information, the initiator signature is used for guaranteeing the identity of an initiator of data verification data, further guaranteeing that the functional data is provided by the initiator, guaranteeing the validity of a data source, and meanwhile, the functional data is user behavior data collected by a data provider service system through big data;
wherein, after step S1, further comprises:
s11, calculating a hash value corresponding to the functional data;
and S12, uploading the hash value corresponding to the functional data to a block chain network.
The steps S11-S12 are used for uploading the certificate of the functional data to the blockchain network, so that later-stage verification is performed on whether the functional data is tampered or not in the transmission process by the receiver of the functional data.
S2, checking the signature of an initiator of the functional data, encrypting the functional data to obtain first encrypted data if the signature of the initiator is a valid signature, and checking the signature validity of the initiator, wherein the step is used for judging whether the initiator of the proper data is consistent with a user identifier in the functional data or not, and if so, the system judges that the functional data is valid data;
it should be noted that, in step S2, the specific operation of encrypting the functional data to obtain the first encrypted data further includes:
s21, according to the information of the data receiver, a public key of the data receiver is called;
s22, a private key of the data providing node is called;
s23, encrypting the functional data through the public key and the private key to obtain the first encrypted data, wherein the specific encryption mode is to utilize the public key of the data receiver and the private key of the data providing node, and encrypt the functional data through an ECDH key negotiation encryption algorithm.
And S3, the first encrypted data is sent to a data receiving node.
The specific operation manner of step S3 includes:
s31, according to the information of the data receiver, calling the address of the data receiving node;
s32, according to the address of the data receiving node, a corresponding safety channel is called;
and S33, transmitting the first encrypted data to the data receiving node through a secure channel.
After the data providing node transmits the first encrypted data to the data receiving node, the data receiving node performs operations comprising:
s4, the data receiving node receives first encrypted data sent by the data providing node;
s5, the data receiving node invokes the public key of the data providing node;
s6, the data receiving node invokes the private key of the data receiving node;
and S7, the data receiving node decrypts the first encrypted data through the public key of the data providing node and the private key of the data receiving node, and the functional data is obtained.
S8, calculating a first hash value corresponding to the functional data;
s9, obtaining a hash value corresponding to the functional data in the area cross-link network;
s10, comparing whether the first hash value is consistent with the hash value corresponding to the functional data on the area cross-link network, and if so, judging that the functional data is valid.
Example 2
As shown in fig. 2, the present embodiment provides a data transmission device between blockchain nodes, which is applied to any data providing node in a blockchain network, and the device includes.
A data acquisition module 71, configured to acquire functional data sent by a trusted data node, where the functional data includes an initiator signature and data receiver information;
a first calculation module 72, configured to verify an initiator signature of the functional data, and encrypt the functional data to obtain first encrypted data if the initiator signature is a valid signature;
a first sending module 73, configured to send the first encrypted data to a data receiving node.
Example 3
As shown in fig. 3, the present embodiment provides a data transmission device between blockchain nodes, where the device is applied to any data receiving node in a blockchain network, and the device includes:
a data receiving module 74, configured to receive first encrypted data sent by the data providing node;
a first retrieving module 75, configured to retrieve a public key of the data providing node;
a second retrieving module 76, configured to retrieve a private key of the data receiving node itself;
a second calculation module 77, configured to decrypt the first encrypted data by using the public key of the data providing node and the private key of the data receiving node, to obtain the functional data.
It should be noted that, regarding the apparatus in the above embodiments, the specific manner in which the respective modules perform the operations has been described in detail in the embodiments regarding the method, and will not be described in detail herein.
Example 3
Corresponding to the above method embodiments, the embodiments of the present disclosure further provide an inter-blockchain node data transmission device, where a data transmission device between blockchain nodes described below and a data transmission method between blockchain nodes described above may be referred to correspondingly.
Fig. 4 is a block diagram illustrating an inter-blockchain node data transmission device 800 in accordance with an exemplary embodiment. As shown in fig. 3, the electronic device 800 may include: a processor 801, a memory 802. The electronic device 800 may also include one or more of a multimedia component 803, an input/output (I/O) interface 804, and a communication component 805.
The processor 801 is configured to control overall operation of the electronic device 800 to perform all or part of the steps of the blockchain inter-node data transmission method described above. The memory 402 is used to store various types of data to support operation on the electronic device 800, which may include, for example, instructions for any application or method operating on the electronic device 800, as well as application-related data, such as contact data, messages sent and received, pictures, audio, video, and so forth. The Memory 802 may be implemented by any type or combination of volatile or non-volatile Memory devices, such as static random access Memory (Static Random Access Memory, SRAM for short), electrically erasable programmable Read-Only Memory (Electrically Erasable Programmable Read-Only Memory, EEPROM for short), erasable programmable Read-Only Memory (Erasable Programmable Read-Only Memory, EPROM for short), programmable Read-Only Memory (Programmable Read-Only Memory, PROM for short), read-Only Memory (ROM for short), magnetic Memory, flash Memory, magnetic disk, or optical disk. The multimedia component 803 may include a screen and an audio component. Wherein the screen may be, for example, a touch screen, the audio component being for outputting and/or inputting audio signals. For example, the audio component may include a microphone for receiving external audio signals. The received audio signals may be further stored in the memory 802 or transmitted through the communication component 805. The audio assembly further comprises at least one speaker for outputting audio signals. The I/O interface 804 provides an interface between the processor 801 and other interface modules, which may be a keyboard, mouse, buttons, etc. These buttons may be virtual buttons or physical buttons. The communication component 805 is used for wired or wireless communication between the electronic device 800 and other devices. Wireless communication, such as Wi-Fi, bluetooth, near field communication (Near FieldCommunication, NFC for short), 2G, 3G or 4G, or a combination of one or more thereof, the respective communication component 805 may thus comprise: wi-Fi module, bluetooth module, NFC module.
In an exemplary embodiment, the electronic device 800 can be implemented by one or more application specific integrated circuits (Application Specific Integrated Circuit, ASIC), digital signal processor (DigitalSignal Processor, DSP), digital signal processing device (Digital Signal Processing Device, DSPD), programmable logic device (Programmable Logic Device, PLD), field programmable gate array (Field Programmable Gate Array, FPGA), controller, microcontroller, microprocessor, or other electronic components for performing the block chain inter-node data transmission method described above.
In another exemplary embodiment, a computer readable storage medium is also provided that includes program instructions that when executed by a processor implement the steps of the blockchain inter-node data transmission method described above. For example, the computer readable storage medium can be the memory 802 described above including program instructions executable by the processor 801 of the electronic device 800 to perform the blockchain inter-node data transfer method described above.
Example 4
Corresponding to the above method embodiments, the present disclosure further provides a readable storage medium, where a readable storage medium described below and a blockchain node-to-node data transmission method described above may be referred to correspondingly.
A readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of the method for data transmission between blockchain nodes of the above method embodiment.
The readable storage medium may be a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, and the like.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A method for data transmission between blockchain nodes, applied to any data providing node in a blockchain network, comprising:
acquiring functional data sent by a trusted data node, wherein the functional data comprises an initiator signature and data receiver information;
checking an initiator signature of the functional data, and encrypting the functional data if the initiator signature is a valid signature to obtain first encrypted data;
transmitting the first encrypted data to a data receiving node, comprising:
according to the information of the data receiver, calling the address of the data receiving node;
according to the address of the data receiving node, a corresponding safety channel is called;
transmitting the first encrypted data to the data receiving node through a secure channel;
after the functional data sent by the trusted data node is obtained, the method further comprises the following steps:
calculating a hash value corresponding to the functional data;
and uploading the hash value corresponding to the functional data to a block chain network.
2. The method of claim 1, wherein encrypting the functional data to obtain first encrypted data comprises:
according to the information of the data receiver, a public key of the data receiver is called;
invoking a private key of the data providing node itself;
and encrypting the functional data through the public key and the private key to obtain the first encrypted data.
3. The method of claim 1, applied to any data receiving node in a blockchain network, comprising:
receiving first encrypted data sent by the data providing node;
invoking a public key of the data providing node;
the private key of the data receiving node is called;
decrypting the first encrypted data by the public key of the data providing node and the private key of the data receiving node to obtain the functional data;
calculating a first hash value corresponding to the functional data; obtaining a hash value corresponding to the functional data in a block chain network; comparing whether the first hash value is consistent with the hash value corresponding to the functional data on the block chain network, and if so, judging that the functional data is valid.
4. A data transmission device between blockchain nodes, which is applied to any data providing node in a blockchain network, comprising:
the data acquisition module is used for acquiring functional data sent by the trusted data node, wherein the functional data comprises an initiator signature and data receiver information; after the data acquisition module acquires the functional data sent by the trusted data node, the data acquisition module further comprises: calculating a hash value corresponding to the functional data; uploading the hash value corresponding to the functional data to a blockchain network;
the first computing module is used for checking an initiator signature of the functional data, and encrypting the functional data to obtain first encrypted data if the initiator signature is a valid signature;
a first sending module, configured to send the first encrypted data to a data receiving node, including: according to the information of the data receiver, calling the address of the data receiving node; according to the address of the data receiving node, a corresponding safety channel is called; and transmitting the first encrypted data to the data receiving node through a secure channel.
5. The apparatus of claim 4, wherein the apparatus for transmitting data between blockchain nodes to any data receiving node in a blockchain network comprises:
the data receiving module is used for receiving the first encrypted data sent by the data providing node;
a first retrieving module, configured to retrieve a public key of the data providing node;
the second calling module is used for calling the private key of the data receiving node;
the second calculation module is used for decrypting the first encrypted data through the public key of the data providing node and the private key of the data receiving node to obtain the functional data;
calculating a first hash value corresponding to the functional data; obtaining a hash value corresponding to the functional data in a block chain network; comparing whether the first hash value is consistent with the hash value corresponding to the functional data on the block chain network, and if so, judging that the functional data is valid.
6. A blockchain inter-node data transmission device, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the method for data transmission between blockchain nodes of any of claims 1 to 3 when executing the computer program.
7. A readable storage medium, characterized by: the readable storage medium has stored thereon a computer program which, when executed by a processor, implements the steps of the inter-blockchain node data transmission method of any of claims 1 to 3.
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